4894889 has 2 divisors, whose sum is σ = 4894890. Its totient is φ = 4894888.

The previous prime is 4894871. The next prime is 4894933. The reversal of 4894889 is 9884984.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3667225 + 1227664 = 1915^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 4894889 - 2⁸ = 4894633 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4894849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2447444 + 2447445.

It is an arithmetic number, because the mean of its divisors is an integer number (2447445).

Almost surely, 2^4894889 is an apocalyptic number.

It is an amenable number.

4894889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4894889 is an equidigital number, since it uses as much as digits as its factorization.

4894889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 50.

The square root of 4894889 is about 2212.4396036954. The cubic root of 4894889 is about 169.7908500561.

The spelling of 4894889 in words is "four million, eight hundred ninety-four thousand, eight hundred eighty-nine".